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Diffstat (limited to 'src/core/AssetManager.hpp')
-rw-r--r-- | src/core/AssetManager.hpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/core/AssetManager.hpp b/src/core/AssetManager.hpp new file mode 100644 index 0000000..26c7eca --- /dev/null +++ b/src/core/AssetManager.hpp @@ -0,0 +1,75 @@ +#pragma once + +#include <experimental/filesystem> +#include <map> + +#include <GL/glew.h> +#include <glm/vec4.hpp> +#include <nlohmann/json.hpp> + +#include <world/Block.hpp> +#include <graphics/Texture.hpp> + +struct TextureCoordinates { + TextureCoordinates(float x = -1, float y = -1, float w = -1, float h = -1) : x(x), y(y), w(w), h(h) {} + + bool operator==(const TextureCoordinates &rhs) const { + return x == rhs.x && + y == rhs.y && + w == rhs.w && + h == rhs.h; + } + + explicit operator bool() const { + return !(*this == TextureCoordinates(-1, -1, -1, -1)); + } + + float x, y, w, h; +}; + +struct BlockTextureId { + //Block sides: 0 - bottom, 1 - top, 2 - north, 3 - south, 4 - west, 5 - east 6 - every side + BlockTextureId(int id = 0, int state = 0, int side = 6) : id(id), state(state), side(side) {} + + int id:9; + int state:4; + int side:3; + + + bool operator<(const BlockTextureId &rhs) const { + if (id < rhs.id) + return true; + if (rhs.id < id) + return false; + if (state < rhs.state) + return true; + if (rhs.state < state) + return false; + return side < rhs.side; + } +}; + +class AssetManager { + Texture *textureAtlas; + std::map<std::string, Block> assetIds; + std::map<std::string, TextureCoordinates> assetTextures; + std::map<BlockTextureId,glm::vec4> textureAtlasIndexes; +public: + AssetManager(); + + ~AssetManager(); + + void LoadTextureResources(); + + TextureCoordinates GetTextureByAssetName(std::string AssetName); + + std::string GetTextureAssetNameByBlockId(BlockTextureId block); + + GLuint GetTextureAtlas(); + + const std::map<BlockTextureId,glm::vec4> &GetTextureAtlasIndexes(); + + void LoadIds(); + + TextureCoordinates GetTextureByBlock(BlockTextureId block); +}; |